OverviewAt first looming over the city of Los Angeles, the Church of Scientology has now entrenched itself in the real estate of many other cities around the world. But what is this mysterious religion all about? Host Louis Theroux pledges to get to the bottom of it, and there's nothing he won't do to discover some more details about the religion, which has also been compared to a cult. With high-profile devotees and an impressive pocketbook, the Church of Scientology has drummed up controversy in the past few years. Theroux drops in and sees what all the fuss is about.